The area that was hit the hardest was the Great Plains it impacted the economy greatly due to the crop reduction so B
The main goal to demiliterise Germany was to ensure that she could not hold aggression and threaten the other nations across the border.
Rhineland of Germany was demilitarised as there are other nations nearby, and it is the shortest route to countries like France. It is therefore demilitarized with all troopa removed. This eliminated the potential of Germany launching a surprise attack in aggression, thus fufilling the goal of fourteen points to keep peace across nations.
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Answer: The answer is B. You're welcome.
If Congress decides to pass a law that increases minimum wage, this is an example of using an "implied" power, since it is not explicitly stated.